diff --git a/crates/lib/mysql_queries/src/queries/voice_designer/delete_dataset.rs b/crates/lib/mysql_queries/src/queries/voice_designer/delete_dataset.rs
new file mode 100644
index 0000000000..d777e16a9e
--- /dev/null
+++ b/crates/lib/mysql_queries/src/queries/voice_designer/delete_dataset.rs
@@ -0,0 +1,89 @@
+use sqlx::MySqlPool;
+
+use errors::AnyhowResult;
+
+pub async fn delete_dataset_as_user(
+    dataset_token: &str,
+    mysql_pool: &MySqlPool
+) -> AnyhowResult<()> {
+    let _r = sqlx::query!(
+        r#"
+UPDATE zs_voice_datasets
+SET
+  user_deleted_at = CURRENT_TIMESTAMP
+WHERE
+  token = ?
+LIMIT 1
+        "#,
+      dataset_token,
+    )
+        .execute(mysql_pool)
+        .await?;
+    Ok(())
+}
+
+pub async fn delete_dataset_as_mod(
+    dataset_token: &str,
+    mod_user_token: &str,
+    mysql_pool: &MySqlPool
+) -> AnyhowResult<()> {
+    let _r = sqlx::query!(
+        r#"
+UPDATE zs_voice_datasets
+SET
+  mod_deleted_at = CURRENT_TIMESTAMP,
+  maybe_mod_user_token = ?
+WHERE
+  token = ?
+LIMIT 1
+        "#,
+      mod_user_token,
+      dataset_token,
+    )
+        .execute(mysql_pool)
+        .await?;
+    Ok(())
+}
+
+pub async fn undelete_dataset_as_user(
+    dataset_token: &str,
+    mysql_pool: &MySqlPool
+) -> AnyhowResult<()> {
+    let _r = sqlx::query!(
+        r#"
+UPDATE zs_voice_datasets
+SET
+  user_deleted_at = NULL
+WHERE
+  token = ?
+LIMIT 1
+        "#,
+      dataset_token,
+    )
+        .execute(mysql_pool)
+        .await?;
+    Ok(())
+}
+
+pub async fn undelete_dataset_as_mod(
+    dataset_token: &str,
+    mod_user_token: &str,
+    mysql_pool: &MySqlPool
+) -> AnyhowResult<()> {
+    let _r = sqlx::query!(
+        r#"
+UPDATE zs_voice_datasets
+SET
+  mod_deleted_at = NULL,
+  maybe_mod_user_token = ?
+WHERE
+  token = ?
+LIMIT 1
+        "#,
+      mod_user_token,
+      dataset_token,
+    )
+        .execute(mysql_pool)
+        .await?;
+    Ok(())
+}
diff --git a/crates/lib/mysql_queries/src/queries/voice_designer/get_dataset.rs b/crates/lib/mysql_queries/src/queries/voice_designer/get_dataset.rs
index 0587b5848e..8daaa8a121 100644
--- a/crates/lib/mysql_queries/src/queries/voice_designer/get_dataset.rs
+++ b/crates/lib/mysql_queries/src/queries/voice_designer/get_dataset.rs
@@ -21,38 +21,34 @@ pub struct ZsDataset {
 
 pub async fn get_dataset_by_token(
   dataset_token: &ZsDatasetToken,
+  can_see_deleted: bool,
   mysql_pool: &MySqlPool,
 ) -> AnyhowResult<Option<ZsDataset>> {
   let mut connection = mysql_pool.acquire().await?;
   get_dataset_by_token_with_connection(
     dataset_token,
+    can_see_deleted,
     &mut connection
   ).await
 }
 
 pub async fn get_dataset_by_token_with_connection(
   dataset_token: &ZsDatasetToken,
+  can_see_deleted: bool,
   mysql_connection: &mut PoolConnection<MySql>,
 ) -> AnyhowResult<Option<ZsDataset>> {
-    let maybe_result = sqlx::query_as!(
-      RawDataset,
-        r#"
-        SELECT
-        zd.token as `token: tokens::tokens::dataset::ZsDatasetToken`,
-        zd.title,
-        zd.ietf_language_tag,
-        zd.ietf_primary_language_subtag,
-        zd.maybe_creator_user_token,
-        zd.creator_set_visibility as `creator_set_visibility: enums::common::visibility::Visibility`
-        FROM zs_voice_datasets as zd
-        WHERE
-            zd.token = ?
-            AND zd.user_deleted_at IS NULL
-            AND zd.mod_deleted_at IS NULL
-            "#,
-        dataset_token.as_str()
-        )
-        .fetch_one(mysql_connection).await;
+
+    let maybe_result = if can_see_deleted {
+        select_include_deleted(
+            dataset_token,
+            mysql_connection
+        ).await
+    } else {
+        select_without_deleted(
+            dataset_token,
+            mysql_connection
+        ).await
+    };
 
     let record = match maybe_result {
         Ok(record) => record,
@@ -79,6 +75,54 @@ pub async fn get_dataset_by_token_with_connection(
         maybe_creator_user_token: record.maybe_creator_user_token,
     }))
 }
+
+async fn select_include_deleted(
+  dataset_token: &ZsDatasetToken,
+  mysql_connection: &mut PoolConnection<MySql>,
+) -> Result<RawDataset, sqlx::Error> {
+  sqlx::query_as!(
+      RawDataset,
+        r#"
+        SELECT
+        zd.token as `token: tokens::tokens::dataset::ZsDatasetToken`,
+        zd.title,
+        zd.ietf_language_tag,
+        zd.ietf_primary_language_subtag,
+        zd.maybe_creator_user_token,
+        zd.creator_set_visibility as `creator_set_visibility: enums::common::visibility::Visibility`
+        FROM zs_voice_datasets as zd
+        WHERE
+            zd.token = ?
+            "#,
+        dataset_token.as_str()
+  )
+      .fetch_one(mysql_connection).await
+}
+
+async fn select_without_deleted(
+  dataset_token: &ZsDatasetToken,
+  mysql_connection: &mut PoolConnection<MySql>,
+) -> Result<RawDataset, sqlx::Error> {
+  sqlx::query_as!(
+      RawDataset,
+        r#"
+        SELECT
+        zd.token as `token: tokens::tokens::dataset::ZsDatasetToken`,
+        zd.title,
+        zd.ietf_language_tag,
+        zd.ietf_primary_language_subtag,
+        zd.maybe_creator_user_token,
+        zd.creator_set_visibility as `creator_set_visibility: enums::common::visibility::Visibility`
+        FROM zs_voice_datasets as zd
+        WHERE
+            zd.token = ?
+            AND zd.user_deleted_at IS NULL
+            AND zd.mod_deleted_at IS NULL
+            "#,
+        dataset_token.as_str()
+  )
+      .fetch_one(mysql_connection).await
+}
 #[derive(Serialize)]
 pub struct RawDataset {
     token: ZsDatasetToken,
diff --git a/crates/lib/mysql_queries/src/queries/voice_designer/mod.rs b/crates/lib/mysql_queries/src/queries/voice_designer/mod.rs
index 03143d407d..f437edd8c6 100644
--- a/crates/lib/mysql_queries/src/queries/voice_designer/mod.rs
+++ b/crates/lib/mysql_queries/src/queries/voice_designer/mod.rs
@@ -1,3 +1,4 @@
 pub mod create_dataset;
 pub mod update_dataset;
-pub mod get_dataset;
\ No newline at end of file
+pub mod get_dataset;
+pub mod delete_dataset;
\ No newline at end of file
diff --git a/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/delete_dataset.rs b/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/delete_dataset.rs
index 495806e32b..46e04f9c74 100644
--- a/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/delete_dataset.rs
+++ b/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/delete_dataset.rs
@@ -6,14 +6,175 @@ use actix_web::error::ResponseError;
 use actix_web::http::StatusCode;
 use actix_web::web::Path;
 use log::{error, log, warn};
+use enums::by_table::audit_logs::audit_log_entity_action::AuditLogEntityAction::Delete;
 
 use http_server_common::request::get_request_ip::get_request_ip;
 use http_server_common::response::serialize_as_json_error::serialize_as_json_error;
+use mysql_queries::queries::voice_designer::delete_dataset::{delete_dataset_as_mod, delete_dataset_as_user, undelete_dataset_as_mod, undelete_dataset_as_user};
+use mysql_queries::queries::voice_designer::get_dataset::get_dataset_by_token;
+use tokens::tokens::dataset::ZsDatasetToken;
+use crate::http_server::web_utils::response_success_helpers::simple_json_success;
 
 
+use crate::server_state::ServerState;
+use crate::util::delete_role_disambiguation::{delete_role_disambiguation, DeleteRole};
+
+#[derive(Deserialize)]
+pub struct DeleteDatasetRequest {
+    set_delete: bool,
+    /// NB: this is only to disambiguate when a user is both a mod and an author.
+    as_mod: Option<bool>,
+}
+
+/// For the URL PathInfo
+#[derive(Deserialize)]
+pub struct DeleteDatasetPathInfo {
+    dataset_token: String,
+}
+
+// =============== Error Response ===============
+
+#[derive(Debug, Serialize)]
+pub enum DeleteDatasetError {
+    BadInput(String),
+    NotFound,
+    NotAuthorized,
+    ServerError,
+}
+
+impl ResponseError for DeleteDatasetError {
+    fn status_code(&self) -> StatusCode {
+        match *self {
+            DeleteDatasetError::BadInput(_) => StatusCode::BAD_REQUEST,
+            DeleteDatasetError::NotFound => StatusCode::NOT_FOUND,
+            DeleteDatasetError::NotAuthorized => StatusCode::UNAUTHORIZED,
+            DeleteDatasetError::ServerError => StatusCode::INTERNAL_SERVER_ERROR,
+        }
+    }
+
+    fn error_response(&self) -> HttpResponse {
+        serialize_as_json_error(self)
+    }
+}
+
+// NB: Not using derive_more::Display since Clion doesn't understand it.
+impl fmt::Display for DeleteDatasetError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+// =============== Handler ===============
+
+pub async fn delete_dataset_handler(
+    http_request: HttpRequest,
+    path: Path<DeleteDatasetPathInfo>,
+    request: web::Json<DeleteDatasetRequest>,
+    server_state: web::Data<Arc<ServerState>>
+) -> Result<HttpResponse, DeleteDatasetError>{
+    let maybe_user_session = server_state
+        .session_checker
+        .maybe_get_user_session(&http_request, &server_state.mysql_pool)
+        .await
+        .map_err(|e| {
+            warn!("Session checker error: {:?}", e);
+            DeleteDatasetError::ServerError
+        })?;
+
+    let user_session = match maybe_user_session {
+        Some(session) => session,
+        None => {
+            warn!("not logged in");
+            return Err(DeleteDatasetError::NotAuthorized);
+        }
+    };
+
+    let dataset_token = path.dataset_token.clone();
+    let is_mod = user_session.can_ban_users;
+
+    let dataset_lookup_result = get_dataset_by_token(
+        &ZsDatasetToken::new(dataset_token.clone()),
+        is_mod,
+        &server_state.mysql_pool,
+    ).await;
+
+    let dataset = match dataset_lookup_result {
+        Ok(Some(dataset)) => dataset,
+        Ok(None) => {
+            warn!("Dataset not found: {:?}", dataset_token);
+            return Err(DeleteDatasetError::NotFound);
+        },
+        Err(err) => {
+            warn!("Error looking up dataset: {:?}", err);
+            return Err(DeleteDatasetError::ServerError);
+        }
+    };
+
+    //TODO(kasisnu): Confirm who can delete/undelete and cleanup this logic
+    let is_creator = dataset.maybe_creator_user_token.as_deref()
+        .map(|creator_user_token| creator_user_token == &user_session.user_token)
+        .unwrap_or(false);
+
+    if !is_creator && !is_mod {
+        warn!("user is not allowed to delete this dataset: {}", user_session.user_token);
+        return Err(DeleteDatasetError::NotAuthorized);
+    }
+
+    let delete_role = delete_role_disambiguation(is_mod, is_creator, request.as_mod);
+
+    let query_result = if request.set_delete {
+        match delete_role {
+            DeleteRole::ErrorDoNotDelete => {
+                warn!("user is not allowed to delete datasets: {}", user_session.user_token);
+                return Err(DeleteDatasetError::NotAuthorized);
+            }
+            DeleteRole::AsUser => {
+                delete_dataset_as_user(
+                    &path.dataset_token,
+                    &server_state.mysql_pool
+                ).await
+            }
+            DeleteRole::AsMod => {
+                delete_dataset_as_mod(
+                    &path.dataset_token,
+                    &user_session.user_token,
+                    &server_state.mysql_pool
+                ).await
+            }
+        }
+    } else {
+        match delete_role {
+            DeleteRole::ErrorDoNotDelete => {
+                warn!("user is not allowed to undelete inference results: {}", user_session.user_token);
+                return Err(DeleteDatasetError::NotAuthorized);
+            }
+            DeleteRole::AsUser => {
+                // NB: Technically only mods can see their own datasets
+                //TODO(kasisnu): Is this a case that can apply to datasets?
+                undelete_dataset_as_user(
+                    &path.dataset_token,
+                    &server_state.mysql_pool
+                ).await
+            }
+            DeleteRole::AsMod => {
+                undelete_dataset_as_mod(
+                    &path.dataset_token,
+                    &user_session.user_token,
+                    &server_state.mysql_pool
+                ).await
+            }
+        }
+    };
+
+    match query_result {
+        Ok(_) => {},
+        Err(err) => {
+            warn!("Update dataset mod approval status DB error: {:?}", err);
+            return Err(DeleteDatasetError::ServerError);
+        }
+    };
+
+    Ok(simple_json_success())
 
-pub async fn delete_dataset(dataset_token: web::Path<String>) -> HttpResponse {
-    // Implementation for deleting a dataset (soft delete)
-    HttpResponse::Ok().json(format!("Dataset {} deleted (soft delete)", dataset_token))
   }
   
\ No newline at end of file
diff --git a/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/update_dataset.rs b/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/update_dataset.rs
index 4462d971e5..353dfbeb00 100644
--- a/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/update_dataset.rs
+++ b/crates/service/web/storyteller_web/src/http_server/endpoints/voice_designer/update_dataset.rs
@@ -9,6 +9,7 @@ use log::{error, log, warn};
 use enums::common::visibility::Visibility;
 
 use http_server_common::request::get_request_ip::get_request_ip;
+use http_server_common::response::response_success_helpers::simple_json_success;
 use http_server_common::response::serialize_as_json_error::serialize_as_json_error;
 use mysql_queries::queries::voice_designer::create_dataset::{create_dataset, CreateDatasetArgs};
 use mysql_queries::queries::voice_designer::get_dataset::get_dataset_by_token;
@@ -97,8 +98,11 @@ pub async fn update_dataset_handler(
   };
 
   let dataset_token = path.dataset_token.clone();
+  let is_mod = user_session.can_ban_users;
+
   let dataset_lookup_result = get_dataset_by_token(
     &ZsDatasetToken::new(dataset_token.clone()),
+    is_mod,
     &server_state.mysql_pool,
   ).await;
 
@@ -114,8 +118,10 @@ pub async fn update_dataset_handler(
       }
   };
 
-  let is_creator = dataset.maybe_creator_user_token == Some(user_session.user_token);
-  let is_mod = user_session.can_ban_users;
+  // let is_creator = dataset.maybe_creator_user_token == Some(user_session.user_token);
+  let is_creator = dataset.maybe_creator_user_token.as_deref()
+      .map(|creator_user_token| creator_user_token == &user_session.user_token)
+      .unwrap_or(false);
 
   if !is_creator && !is_mod {
     warn!("user is not allowed to edit this dataset: {}", user_session.user_token);
@@ -192,14 +198,5 @@ pub async fn update_dataset_handler(
     }
   };
 
-  let response = UpdateDatasetResponse {
-    success: true,
-  };
-
-  let body = serde_json::to_string(&response)
-      .map_err(|e| UpdateDatasetError::ServerError)?;
-
-  Ok(HttpResponse::Ok()
-      .content_type("application/json")
-      .body(body))
+  Ok(simple_json_success())
 }
diff --git a/crates/service/web/storyteller_web/src/routes.rs b/crates/service/web/storyteller_web/src/routes.rs
index fe0ba78f04..6e74669196 100644
--- a/crates/service/web/storyteller_web/src/routes.rs
+++ b/crates/service/web/storyteller_web/src/routes.rs
@@ -122,7 +122,7 @@ use crate::http_server::endpoints::w2l::set_w2l_template_mod_approval::set_w2l_t
 
 use crate::http_server::endpoints::voice_designer::create_dataset::create_dataset_handler;
 use crate::http_server::endpoints::voice_designer::update_dataset::update_dataset_handler;
-use crate::http_server::endpoints::voice_designer::delete_dataset::delete_dataset;
+use crate::http_server::endpoints::voice_designer::delete_dataset::delete_dataset_handler;
 use crate::http_server::endpoints::voice_designer::list_datasets_by_user::list_datasets_by_user;
 
 use crate::http_server::endpoints::voice_designer::create_voice::create_voice;
@@ -1145,7 +1145,7 @@ fn add_voice_designer_routes<T,B> (app:App<T>)-> App<T>
                           .route(web::post().to(update_dataset_handler))
                           .route(web::head().to(|| HttpResponse::Ok()))
                       )
-                      .route("/{dataset_token}/delete", web::delete().to(delete_dataset))
+                      .route("/{dataset_token}/delete", web::delete().to(delete_dataset_handler))
                       .route("/user/{user_token}/list", web::get().to(list_datasets_by_user))
               )
               .service(